How I Built a Voice-to-Text App That Runs Entirely Offline
The story of building TAWK — why offline matters, choosing Whisper over cloud APIs, and the technical challenges of shipping a macOS AI app.
Blog
On AI products, growth strategy, shipping fast, and what I've learned scaling companies and building things that work.
The story of building TAWK — why offline matters, choosing Whisper over cloud APIs, and the technical challenges of shipping a macOS AI app.
The difference between AI PMs who strategize and those who ship. What building real AI products taught me that no roadmap ever could.
The actual tools and technologies behind TAWK, MissionOS, and Support Intelligence. A solo builder's stack for shipping fast.
Seven years, $500M+ in revenue, and the $0 to $80M membership journey. The real lessons from scaling at Mindvalley.
A practical guide to shipping fast. Scope ruthlessly, use existing models, pick a proven stack, and deploy before Monday.
The challenge of building AI products that non-technical people actually use. Lessons from MissionOS and Support Intelligence.
A builder's comparison of local vs. cloud speech recognition. Privacy, latency, cost, and why offline was the clear winner for TAWK.
What it takes to manage 100+ programs across 6 pathways at Mindvalley. Systems, tools, and why most teams fail at scale.
Why the future isn't only massive AI platforms. The opportunity in small, focused tools that do one thing extremely well.
A deep dive into AI-assisted development. How Claude Code changed my workflow and why it's a game-changer for solo builders.
A framework for non-engineers building AI tools. From TAWK to Mindvalley's internal AI products.
The real story of building TAWK — from personal itch to shipped product. Technical challenges, key decisions, and lessons for indie developers.
Why offline AI is the future. From building TAWK with local Whisper processing to the broader shift toward on-device AI.
After building 5 AI products and watching dozens fail, here are the patterns behind failure and what to do instead.
An inside look at how AI is reshaping online education — from personalized learning to AI-powered recommendations. Written from 7+ years at Mindvalley.
What it's actually like building products at one of the world's largest personal growth platforms.
My actual AI productivity stack and daily workflow. Specific tools, real before/after examples, and honest takes on what works.
How AI changes the growth playbook. Frameworks for acquisition, retention, and team productivity in AI-first companies.
Voice is the most natural human interface. Where voice AI is heading — real-time translation, voice-first apps, and multimodal interaction.
Lessons from scaling 4 companies to $500M+ in revenue. Distribution, iteration speed, focus, and AI leverage.
© 2026 Rafay Korai